[Arm]: Fix liveedit support if --enable_ool_constant_pool is true.

src/arm/debug-arm.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM
 
 #include "src/codegen.h"
 #include "src/debug.h"
@@ skipping 280 matching lines @@
 
 
 void DebugCodegen::GenerateFrameDropperLiveEdit(MacroAssembler* masm) {
   ExternalReference restarter_frame_function_slot =
       ExternalReference::debug_restarter_frame_function_pointer_address(
           masm->isolate());
   __ mov(ip, Operand(restarter_frame_function_slot));
   __ mov(r1, Operand::Zero());
   __ str(r1, MemOperand(ip, 0));
 
-  // We do not know our frame height, but set sp based on fp.
-  __ sub(sp, fp, Operand(kPointerSize));
+  // Load the function pointer off of our current stack frame.
+  __ ldr(r1, MemOperand(fp,
+         StandardFrameConstants::kConstantPoolOffset - kPointerSize));
 
-  __ Pop(lr, fp, r1);  // Return address, Frame, Function.
+  // Pop return address, frame and constant pool pointer (if
+  // FLAG_enable_ool_constant_pool).
+  __ LeaveFrame(StackFrame::INTERNAL);
 
-  // Load context from the function.
-  __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
+  { ConstantPoolUnavailableScope constant_pool_unavailable(masm);
+    // Load context from the function.
+    __ ldr(cp, FieldMemOperand(r1, JSFunction::kContextOffset));
 
-  // Get function code.
-  __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
-  __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset));
-  __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
+    // Get function code.
+    __ ldr(ip, FieldMemOperand(r1, JSFunction::kSharedFunctionInfoOffset));
+    __ ldr(ip, FieldMemOperand(ip, SharedFunctionInfo::kCodeOffset));
+    __ add(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
 
-  // Re-run JSFunction, r1 is function, cp is context.
-  __ Jump(ip);
+    // Re-run JSFunction, r1 is function, cp is context.
+    __ Jump(ip);
+  }
 }
 
 
 const bool LiveEdit::kFrameDropperSupported = true;
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM